Billie Jean King is a legendary tennis player and activist who won 39 Grand Slam titles throughout her career. She famously defeated Bobby Riggs in the 1973 'Battle of the Sexes' match, which was a highly publicized event that highlighted the gender inequality in sports. Her first name is Billie, her last name is Jean King, and her opponents in the match were Bobby Riggs (5 letters) and Evonne Goolagong Cawley (6 letters). CHRIS Evert (5 letters) was another one of her contemporaries in the tennis world.